Revert "driver core: check start node in klist_iter_init_node"

This reverts commit a15d49fd3094cff90e5410ca454a870e0a722fe1 as that
patch broke the build.

Cc: Hannes Reinecke <hare@suse.de>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 10 deletions

diff --git a/lib/klist.c b/lib/klist.c
index a2741a7d9784..0874e41609a6 100644
--- a/lib/klist.c
+++ b/lib/klist.c
@@ -278,19 +278,13 @@ EXPORT_SYMBOL_GPL(klist_node_attached);
  * Similar to klist_iter_init(), but starts the action off with @n,
  * instead of with the list head.
  */
-int klist_iter_init_node(struct klist *k, struct klist_iter *i,
-                         struct klist_node *n)
+void klist_iter_init_node(struct klist *k, struct klist_iter *i,
+                          struct klist_node *n)
 {
-        if (n) {
-                kref_get(&n->n_ref);
-                if (!n->n_klist) {
-                        kref_put(&n->n_ref);
-                        return -ENODEV;
-                }
-        }
         i->i_klist = k;
         i->i_cur = n;
-        return 0;
+        if (n)
+                kref_get(&n->n_ref);
 }
 EXPORT_SYMBOL_GPL(klist_iter_init_node);